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GPU-Based High-performance Imaging for Mingantu Spectral RadioHeliograph
Mei Y(梅盈)1,2,3,4; Wang F(王锋)1,2,3,4; Wang, Wei5; Chen, Linjie5; Liu, Yingbo6; Deng, Hui2,3; Dai, Wei3; Liu, Cuiyin3; Yan, Yihua5
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
2018-01
卷号130期号:983
DOI10.1088/1538-3873/aa9608
产权排序第1完成单位
收录类别SCI
关键词Instrumentation: Interferometers Sun: Fundamental Parameters Techniques: Image Processing Methods: Statistical
摘要

As a dedicated solar radio interferometer, the MingantU SpEctral RadioHeliograph (MUSER) generates massive observational data in the frequency range of 400 MHz-15 GHz. High-performance imaging forms a significantly important aspect of MUSER's massive data processing requirements. In this study, we implement a practical high-performance imaging pipeline for MUSER data processing. At first, the specifications of the MUSER are introduced and its imaging requirements are analyzed. Referring to the most commonly used radio astronomy software such as CASA and MIRIAD, we then implement a high-performance imaging pipeline based on the Graphics Processing Unit technology with respect to the current operational status of the MUSER. A series of critical algorithms and their pseudo codes, i.e., detection of the solar disk and sky brightness, automatic centering of the solar disk and estimation of the number of iterations for clean algorithms, are proposed in detail. The preliminary experimental results indicate that the proposed imaging approach significantly increases the processing performance of MUSER and generates images with high-quality, which can meet the requirements of the MUSER data processing.

项目资助者National Key Research and Development Program of China(2016YFE0100300) ; National Natural Science Foundation of China (NSFC)(U1531132, U1631129, U1231205) ; Chinese Academy of Sciences (CAS)(U1531132, U1631129, U1231205) ; National Natural Science Foundation of China(11403009, 11463003, 11703010, 1177301)
语种英语
学科领域天文学
学科门类理学 ; 理学::天文学
文章类型Article
出版者IOP PUBLISHING LTD
ISSN0004-6280
URL查看原文
WOS记录号WOS:000417563000003
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]Synthesis Radio Telescope ; Miriad
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12197
专题其他
通讯作者Wang F(王锋)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences P.O.Box 110, Kunming 650011, China
2.Center of Astrophysics, Guangzhou University No. 230, Waihuanxi Rd, Panyu District, Guangzhou 510006, China
3.Key Lab of Computer Technology Application of Yunnan Province, Kunming University of Science and Technology No.727 South Jingming Rd., Chenggong District, Kunming 650500, China
4.University of Chinese Academy of Sciences 19A Yuquan Rd., Shijingshan District, Beijing 100049, China
5.National Astronomical Observatory, Chinese Academy of Sciences 20A Datun Rd., Chaoyang District, Beijing 100012, China
6.Yunnan Academy of Scientific & Technical Information No.246 People's East Rd., Kunming 650051, China
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GB/T 7714
Mei Y,Wang F,Wang, Wei,et al. GPU-Based High-performance Imaging for Mingantu Spectral RadioHeliograph[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,2018,130(983).
APA Mei Y.,Wang F.,Wang, Wei.,Chen, Linjie.,Liu, Yingbo.,...&Yan, Yihua.(2018).GPU-Based High-performance Imaging for Mingantu Spectral RadioHeliograph.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,130(983).
MLA Mei Y,et al."GPU-Based High-performance Imaging for Mingantu Spectral RadioHeliograph".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 130.983(2018).
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